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NEET Physics Mathematical Tools, Units & Dimensions Question Bank Units

  • question_answer
    In \[S=a+bt+c{{t}^{2}}\]. \[S\]  is measured in metres and \[t\] in seconds. The unit of \[c\] is   [MP PMT 1993]

    A)       None                       

    B)       \[m\]

    C)       \[m{{s}^{-1}}\]

    D)          \[m{{s}^{-2}}\]

    Correct Answer: D

    Solution :

                      \[c{{t}^{2}}\] must have dimensions of \[L\] \[\Rightarrow \] \[c\] must have dimensions of \[L/{{T}^{2}}\] i.e. \[L{{T}^{-2}}\].


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